Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Individual
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Individual
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Priority to ES33488ApriorityCriticalpatent/ES33488A1/es
Publication of ES33488A1publicationCriticalpatent/ES33488A1/es
Un producto industrial consistente en cuñas o clavijas de madera destinadas a tapar los agujeros producidos en las traviesas de toda clase de vías férreas.